# SDR AALA202408233257

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 17, 2024
- Submitted: August 23, 2024
- Operation: Air carrier
- Aircraft: [N184US](https://openairdocs.org/aircraft/N184US), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1651
- Aircraft time: 73,245 hours, 28,383 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Strut
- Part number: D5757030501900
- Part serial: 03522
- Condition: Faulted
- Location: Zone 700
- Part time: 72,039 hours, 27,372 cycles
- Stage of operation: AP
- How discovered: V
- Nature of condition: J
- Precautionary procedure: L
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202408233257

## Discrepancy

AIRCRAFT WAS GROUNDED: THE FLIGHT CREW REPORTED THAT WHILE PUTTING THE LANDING GEAR DOWN FOR LANDING WE RECEIVED THREE GREEN INDICATION WITH A RED UP LOCK INDICATION ON THE RIGHT MAIN. THE FLIGHT CREW WENT AROUND AND UPON PUTTING THE GEAR DOWN AGAIN IT CLEARED. **SUPPLEMENTAL REPORT FOR AALA202408213257: MAINTENANCE FOUND FAULT MESSAGES FOR THE RIGHT-WING FLAP ATTACHMENT FAILURE DETECTION SENSOR 40CV. MAINTENANCE REPLACED THE RIGHT-WING INTERCONNECTION STRUT PER AMM 27-51-44 ALONG WITH THE RIGHT-WING FLAP ATTACHMENT FAILURE DETECTION SENSORS 38CV (AALA202408233136) AND 40CV (AALA202408238417) PER AMM 27-51-15. MAINTENANCE ALSO REPLACED THE #2 LANDING GEAR CONTROL INTERFACE UNIT (LGCIU) PER AMM 32-31-71 (AALA202408234319). A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO FAULTS NOTED. ** (CLOSED)

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